Home / 93,016,524.95-128,375,027.54-53,339,582.76

Finding the Fourth Proportional to 93,016,524.95, 128,375,027.54 and 53,339,582.76

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Solution

The fourth proportional to 93,016,524.95, 128,375,027.54 and 53,339,582.76 is: 73,615,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,016,524.95 : 128,375,027.54 = 53,339,582.76 : x
  2. Step 2: Convert to fraction form
    93,016,524.95/128,375,027.54 = 53,339,582.76/x
  3. Step 3: Cross multiply
    93,016,524.95x = 128,375,027.54 × 53,339,582.76
  4. Step 4: Simplify right side
    93,016,524.95x = 6,847,470,405,787,109
  5. Step 5: Solve for x
    x = 6,847,470,405,787,109/93,016,524.95
  6. Step 6: Final answer
    x = 73,615,633.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.